Make the sauce by warming the milk and dissolving the corn starch in a portion of the milk.,Add sherry to the milk and blend.,Stir over medium heat until sauce begins to thicken.,Add cheese and stir until melted.,Keep sauce warm.,______,Heat large skillet and toast English muffins buttered side down until toasty.,On a plate layer each muffin half (cheese side up) with turkey and a basted egg.,Pour sherry cheese sauce over each egg stack and sprinkle with chopped dill.,Serve immediately.